The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 06, 2018

Filed:

Mar. 01, 2016
Applicant:

Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;

Inventors:

Seung Hun Lee, Namyangju-si, KR;

Jong Bae Kim, Seoul, KR;

Eung Soo Kim, Anyang-si, KR;

Assignee:

LSIS CO., LTD., Anyang-si, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 5/42 (2006.01); G05B 9/03 (2006.01); H02H 7/30 (2006.01); H02H 7/26 (2006.01); H02H 3/08 (2006.01); H02H 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 5/42 (2013.01); G05B 9/03 (2013.01); H02H 1/0061 (2013.01); H02H 3/08 (2013.01); H02H 7/261 (2013.01); H02H 7/263 (2013.01); H02H 7/30 (2013.01);
Abstract

A redundant control device of a high voltage direct current (HVDC) transmission system is provided. The redundant control device includes a first system and a second system that performs a function corresponding to that of the first system; and a first change over logic (COL) and a second COL that determine whether to switch between the first system and the system, wherein there are optical communication modules between the first system and the first COL, between the first COL and the second COL, and between the second system and the second COL to transmit and receive data, and the first COL and the second COL includes a monitoring control unit that checks a connection or wiring state of the optical communication modules and validity of transmission data.


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